diff --git a/client/cmd/resource/apply.go b/client/cmd/resource/apply.go
index 645933ed85..9e226cb2b8 100644
--- a/client/cmd/resource/apply.go
+++ b/client/cmd/resource/apply.go
@@ -62,7 +62,10 @@ func NewApplyCommand() *cobra.Command {
 	cmd.Flags().StringSliceVarP(&apply.resourceNames, "resource-names", "R", nil, "Selected resources of optimus project")
 	cmd.Flags().BoolVarP(&apply.verbose, "verbose", "v", false, "Print details related to upload-all stages")
 	cmd.Flags().StringVarP(&apply.namespaceName, "namespace", "n", "", "Namespace name within project")
-	cmd.Flags().StringVarP(&apply.storeName, "datastore", "s", "bigquery", "Datastore type where the resource belongs")
+	cmd.Flags().StringVarP(&apply.storeName, "datastore", "s", "", "Datastore type where the resource belongs")
+
+	_ = cmd.MarkFlagRequired("datastore")
+
 	return cmd
 }